CN214278283U

CN214278283U - Output alternating voltage detection circuit

Info

Publication number: CN214278283U
Application number: CN202022685272.3U
Authority: CN
Inventors: 阳春丽
Original assignee: Shenzhen Canroon Electric Appliance Co ltd
Current assignee: Shenzhen Canroon Electric Appliance Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-09-24
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses an output alternating voltage detection circuit, including register VO-SAM, output OUT1 and output OUT2, register VO-SAM is connected with resistance R1 through the cable, resistance R1 is connected with resistance R3 through the cable, resistance R3 is connected with triode U2B's negative pole through the cable, triode U2B's positive pole is connected with resistance R5 through the cable, resistance R5 is connected with the ground wire through the cable, triode U2B output is connected with diode D2 through the cable, diode D2 is connected with resistance R6 through the cable, resistance R6 is connected with triode U2A through the cable, triode U2A is connected with resistance R10 through the cable, resistance R10 is respectively connected resistance R8 through the cable, electric capacity C3, amplifier VOS and diode D3, electric capacity C3 is connected with the ground wire through the cable, the other end of resistance R8 is connected between triode U2A and resistance R6 through the cable; the utility model relates to an output alternating voltage detection circuitry has the components and parts that detect accuracy, use simple, small, advantage that electromagnetic property is good.

Description

Output alternating voltage detection circuit

Technical Field

The utility model relates to a circuit detection technical field specifically is an output alternating voltage detection circuitry.

Background

The traditional output alternating voltage detection circuit needs to use a transformer to convert high voltage into low voltage and then carry out rectification, and the rectified direct voltage value is inversely calculated to obtain an alternating voltage value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an output alternating voltage detection circuitry has the components and parts that detect accuracy, use simple, small, the good advantage of electromagnetic property, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: an output alternating voltage detection circuit comprises a register VO-SAM, an output OUT1 and an output OUT2, wherein the register VO-SAM is connected with a resistor R1 through a cable, the resistor R1 is connected with a resistor R3 through a cable, the resistor R3 is connected with the negative electrode of a triode U2B through a cable, the positive electrode of the triode U2B is connected with a resistor R5 through a cable, the resistor R5 is connected with a ground wire through a cable, the output end of the triode U2B is connected with a diode D2 through a cable, the diode D2 is connected with a resistor R6 through a cable, the resistor R6 is connected with a triode U2A through a cable, the triode U2A is connected with a resistor R10 through a cable, the resistor R10 is respectively connected with a resistor R8, a capacitor C3, an amplifier VOS and a diode D3 through cables, the capacitor C3 is connected with a cable, the other end of the resistor R8 is connected between the triode U2A and the resistor R6 through a cable, the other end of the resistor R8 is connected with a resistor R7 through a cable, the resistor R7 is connected between a resistor R2 and a resistor R2 through a cable, a capacitor C2 and a capacitor C2 are connected in series between the output OUT2 and the output OUT2 in series, the capacitors C2, C2 and C2 are connected in parallel, the capacitors C2, C2 and C2 are connected in parallel, the capacitors C2, C2 and C2 are connected in series between the capacitors C2, the capacitors C2 and C2 are connected in parallel, and the capacitors C2 are connected in series between the capacitors C2, the capacitors C2 and the capacitors C2, the capacitors C2 are connected in parallel between the capacitors C2, and the capacitors C2, the capacitors C2 and the capacitors C2 are connected in series, and the capacitors C2 are connected in parallel, the capacitors C2, and the capacitors C2 are connected in series, and the capacitors C2, the capacitors C2 are connected in parallel, and the capacitors C2 are connected in parallel, and the capacitors C2 are connected in series, the capacitors C2, and the capacitors C2 are connected in parallel, and the capacitors C2 are connected in series, and the capacitors C2 are connected in parallel, and the capacitors C2, the capacitors C2 are connected in parallel, and the capacitors C2, the capacitors C2 are connected in series, and the capacitors C2 are connected in parallel, and the capacitors C2 are connected in parallel, and the capacitors C2 in series, and the capacitors C2 in parallel, and the capacitors C2 are connected in series, and the capacitors C2 in parallel, The power supply VOL _ AC2 and the capacitor C8, the capacitor C17, the power supply VOL _ AC2 and the capacitor C8 are connected in series in sequence, the capacitor C18 is connected with one end of an output OUT2 through a cable, an output line 1 is connected between a position where the capacitor C13, the capacitor C14, the capacitor C15 and the capacitor C16 are connected in parallel and a position where the capacitor C17, the power supply VOL _ AC2, the capacitor C8 and the output OUT2 are connected, and an output line 2 is connected between the output OUT1 and positions where the capacitor C1, the capacitor C2, the capacitor C3 and the capacitor C4 are connected through cables.

Preferably, a diode D1 is connected in parallel between the resistor R3 and the diode D2 and between the triode U2B, and the conduction directions of the diode D1 and the diode D2 are the same.

Preferably, one end of the resistor R4 is connected between the resistor R6 and the diode D2, and between the resistor R3 and the transistor U2B through cables.

Preferably, the positive terminal of the triode U2A is connected with resistors R9, +18V and a capacitor C1 through a cable, the negative terminal of the triode U2A is connected with +15V and a capacitor C2 through a cable, and the resistor R9, the capacitor C1 and the capacitor C2 are all connected with a ground wire.

Preferably, the diode D3 includes two diodes, the conduction directions of the diodes are opposite, the diode of the forward output is connected with VCCE through a cable, and the diode of the reverse output is connected with a ground wire through a cable.

Preferably, a resistor R2 is connected between the resistor R1 and the resistor R7 through a cable, and the resistor R2 is connected to a ground through a cable.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this output alternating voltage detection circuit diagram passes through resistance R1, resistance R2 and electric capacity C17, electric capacity C18 partial pressure electric capacity cooperation, can make the network voltage register VO-SAM of handling be in an appropriate scope, convenient the detection, can detect actual output alternating voltage numerical value through electric capacity C17, electric capacity C18 electric capacity appearance and resistance R1, resistance R2 resistance relation detectable, guarantee the detection of data, the alternating voltage that will detect is converted into alternating voltage low pressure through the form of series connection partial pressure, alternating voltage low pressure rethread partial pressure resistance makes the voltage that gets into accurate rectifier circuit be in an appropriate scope, guarantee that circuit data detect accurately, the components and parts that use are simple, small in size, electromagnetic property is good.

Drawings

Fig. 1 is a schematic circuit diagram of an output ac voltage detection circuit according to the present invention;

fig. 2 is a schematic circuit diagram of the ac output voltage detection circuit according to the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1, an output ac voltage detection circuit includes a register VO-SAM, the register VO-SAM is connected to a resistor R1 through a cable, a resistor R1 is connected to a resistor R3 through a cable, a resistor R3 is connected to a cathode of a transistor U2B through a cable, an anode of a transistor U2B is connected to a resistor R5 through a cable, a resistor R5 is connected to a ground wire through a cable, an output end of the transistor U2B is connected to a diode D2 through a cable, a resistor R3 and a diode D1 are respectively connected in parallel between the diode D2 and the transistor U2B, a diode D1 and a diode D2 are connected in the same conduction direction, a diode D2 is connected to a resistor R6 through a cable, a resistor R6 is connected to a transistor U2A through a cable, an anode of the transistor U2A is connected to a resistor R9, +18V and a capacitor C1 through a cable, and a cathode of the transistor U2A is connected to a capacitor C2 through a cable, and a resistor R9, The capacitor C1 and the capacitor C2 are both connected with a ground wire, the triode U2A is connected with a resistor R10 through a cable, the resistor R10 is respectively connected with a resistor R8 and a capacitor C3 through cables, the amplifier VOS and the diode D3, the diode D3 comprises two diodes, the conduction directions of the diodes are opposite, a forward output diode is connected with VCCE through a cable, a reverse output diode is connected with a ground wire through a cable, the capacitor C3 is connected with the ground wire through a cable, the other end of the resistor R8 is connected between the triode U2A and the resistor R6 through a cable, the other end of the resistor R8 is connected with the resistor R7 through a cable, the resistor R7 is connected between the resistor R2 and the resistor R3 through a cable, the resistor R2 is connected between the resistor R1 and the resistor R7 through a cable, the resistor R2 is connected with the ground wire through a cable, and one end of the resistor R4 is connected between the resistor R6 and the diode D2 and between the resistor R3 and the triode U2B through cables;

concretely, through resistance R1, resistance R2 and electric capacity C17, electric capacity C18 partial pressure electric capacity cooperation, can make the network voltage register VO-SAM of handling be in an appropriate scope, convenient detection, through electric capacity C17, electric capacity C18 electric capacity value and resistance R1, electric capacity R2 resistance relation detectable goes out actual output alternating voltage numerical value, guarantee the detection of data, the alternating current high voltage that will wait to detect converts into the alternating current low pressure through series connection partial pressure form, the alternating current low pressure rethread partial pressure resistance makes the voltage that gets into accurate rectifier circuit be in an appropriate scope, guarantee that circuit data detects accurately, the components and parts that use are simple, small, electromagnetic property is good.

Example 2

Referring to fig. 2, an output AC voltage detection circuit includes an output OUT1 and an output OUT2, a capacitor C1, a capacitor C2 and a capacitor C2 are connected in series between the output OUT1 and the output OUT2, the capacitor C2 and the capacitor C2 are connected in parallel, the capacitor C2 and the capacitor C2 are connected in parallel between the capacitor C2 and the capacitor C2, the capacitor C2 and the capacitor C2 are connected in series between the capacitor C2 and the capacitor C2, a capacitor C17, a power supply VOL _ AC2 and a capacitor C8 are sequentially connected in series, the capacitor C18 is connected with one end of an output OUT2 through a cable, an output line 1 is connected between a position where the capacitor C13, the capacitor C14, the capacitor C15 and the capacitor C16 are connected in parallel and a position where the capacitor C17, the power supply VOL _ AC2, the capacitor C8 and the output OUT2 are connected, and an output line 2 is connected between the output OUT1 and positions where the capacitor C1, the capacitor C2, the capacitor C3 and the capacitor C4 are connected through cables;

specifically, the output OUT1 and the output OUT2 are two-end networks of output alternating voltage, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15 and a capacitor C16 are respectively connected in parallel and then sequentially connected in series between the output OUT1 and the output OUT2, a capacitor C17 and a capacitor C18 are connected in series between the middles of the four capacitors and the output OUT2, and a voltage network power supply VOL _ AC2 at two ends of the collecting capacitor C18 is sent to a register VO-SAM for detection, so that voltage before detection is stabilized.

The working principle is as follows: the utility model relates to an output alternating voltage detection circuitry, output OUT1 and output OUT2 are output alternating voltage both ends network, electric capacity C1, electric capacity C2, electric capacity C3 and electric capacity C4 are in parallel connection, electric capacity C5, electric capacity C6, electric capacity C7 and electric capacity C8 are in parallel connection, electric capacity C9, electric capacity C10, electric capacity C11 and electric capacity C12 are in parallel connection, electric capacity C13, electric capacity C14, electric capacity C15 and electric capacity C16 are in parallel connection, respectively in proper order the series connection between output OUT1 and output OUT 2; the capacitor C17 and the capacitor C18 are connected in series between the midpoint of the four capacitors and the output OUT2, the voltage at two ends of the capacitor C18 is sent to the VO-SAM of the register through a power supply VOL _ AC2 to be detected, the resistor R1 and the resistor R2 are divider resistors, the processed VO-SAM of the register can be in a proper range through matching with the divider capacitors of the capacitor C17 and the capacitor C18, the rest circuits are typical precise rectifying circuits, the obtained voltage amplifier VOS is sent to the MCU to be processed, and the actual output alternating voltage value can be detected according to the relation between the capacitor values of the capacitor C17 and the capacitor C18 and the resistance values of the resistor R1 and the resistor R2.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An output alternating voltage detection circuit characterized in that: the device comprises a register VO-SAM, an output OUT1 and an output OUT2, wherein the register VO-SAM is connected with a resistor R1 through a cable, the resistor R1 is connected with a resistor R3 through a cable, the resistor R3 is connected with the negative pole of a triode U2B through a cable, the positive pole of the triode U2B is connected with a resistor R5 through a cable, the resistor R5 is connected with a ground wire through a cable, the output end of the triode U2B is connected with a diode D2 through a cable, the diode D2 is connected with a resistor R6 through a cable, the resistor R6 is connected with a triode U2A through a cable, the triode U2A is connected with a resistor R10 through a cable, the resistor R10 is respectively connected with a resistor R8, a capacitor C3, an amplifier VOS and a diode D3 through a cable, the capacitor C3 is connected with a cable, the other end of the resistor R8 is connected between the triode U2A and the resistor R6 through a cable, the other end of the resistor R8 is connected with a resistor R7 through a cable, the resistor R7 is connected between a resistor R2 and a resistor R3 through a cable, a capacitor C1 and a capacitor C1 are connected in series, the capacitors C1 and the capacitors C1 are connected in parallel, the capacitors C1 and the capacitors C1 are connected in parallel, the capacitors C1 and the capacitors C1 are connected in series, the capacitors C1 and the capacitors C1 are connected in parallel, the capacitors C1 and the capacitors C1 are connected in series through a capacitor C1 and the capacitors C1 are connected in parallel, the capacitor C17, the power supply VOL _ AC2 and the capacitor C8 are sequentially connected in series, the capacitor C18 is connected with one end of an output OUT2 through a cable, an output line 1 is connected between a position where the capacitor C13, the capacitor C14, the capacitor C15 and the capacitor C16 are connected in parallel and a position where the capacitor C17, the power supply VOL _ AC2, the capacitor C8 and the output OUT2 are connected, and an output line 2 is connected between the output OUT1 and positions where the capacitor C1, the capacitor C2, the capacitor C3 and the capacitor C4 are connected through cables.

2. The output ac voltage detection circuit according to claim 1, wherein: a diode D1 is respectively connected in parallel between the resistor R3 and the diode D2 and the triode U2B, and the conduction directions of the diode D1 and the diode D2 are the same.

3. The output ac voltage detection circuit according to claim 1, wherein: and one end of a resistor R4 is connected between the resistor R6 and the diode D2 and between the resistor R3 and the triode U2B through cables.

4. The output ac voltage detection circuit according to claim 1, wherein: the positive end of the triode U2A is respectively connected with a resistor R9, +18V and a capacitor C1 through a cable, the negative end of the triode U2A is connected with a +15V capacitor C2 through a cable, and the resistor R9, the capacitor C1 and the capacitor C2 are all connected with a ground wire.

5. The output ac voltage detection circuit according to claim 1, wherein: the diode D3 comprises two diodes, the conduction directions of the diodes are opposite, the diode with forward output is connected with VCCE through a cable, and the diode with reverse output is connected with a ground wire through a cable.

6. The output ac voltage detection circuit according to claim 1, wherein: the resistor R2 is connected between the resistor R1 and the resistor R7 through a cable, and the resistor R2 is connected with a ground wire through a cable.